I believe true because the Precambrian is the first geologic time, going back 4600-570 years ago, meaning it should contain the earliest of things.
Answer:
Benedict's solution is the indicator for sugar which is made up from copper sulfate and sodium hydroxide
the positive result is the observation of brick-red precipitate.
Answer and Explanation:
Digestion of carbohydrates occurs in the mouth, duodenum and small intestines. In the mouth, salivary amylase hydrolyses starch to maltose. In the duodenum, pancreatic amylase breaks down starch into maltose. In the small intestines, enzyme maltase digests maltose to glucose.
D. membrane bounded organelles